On Thu, 22 May 2008 hollunder@xxxxxx wrote: > On Thu, 22 May 2008 09:01:23 +0100 (BST) > J M Needham <J.M.Needham@xxxxxxxxxx> wrote: > > > Dear all, > > > > So, I've just upgraded to Ubuntu HH, and I'm using the Linux > > 2.6.24-17-rt #1 SMP PREEMPT RT kernel on a toshiba laptop with dual > > core 2.6 GHz processors and 2G of ram, and an intel HDA > > > > I have compiled Ardour 2.4.1 from source with FREESOUND=1 as my only > > option. My first problem is that it's using 74% of my CPU just sitting > > there. [Anyone else find this?] > > > > I've checked that my system corresponds to this page > > http://tapas.affenbande.org/wordpress/?page_id=40 (as this was how I > > used to have it set up) and it corresponds, but I'm getting 5% CPU > > usage from Jack just sitting doing nothing. > > > > Anyone got any ideas? > > The 5% could be normal if you have very low latency settings, since the > lower the latency the higher the cpu usage, even when idle. > Ardour chewing 74% cpu on the other hand is far too much, it should use > nearly nothing. I haven't compiled 2.4.1, Version 2.3 that ships with > hardy appears to work fine here. Ok. I've got 4.~ ms of latency, so that could explain the 5%. I think therefore we can assume that my build of ardour is broken. Thanks for that. Jonty _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
